xref: /netbsd-src/tests/lib/libc/sys/t_kevent.c (revision 9ddb6ab554e70fb9bbd90c3d96b812bc57755a14)
1 /*	$NetBSD: t_kevent.c,v 1.1 2011/11/17 01:14:12 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundatiom
8  * by Christos Zoulas.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_kevent.c,v 1.1 2011/11/17 01:14:12 christos Exp $");
33 
34 #include <time.h>
35 #include <stdio.h>
36 
37 #include <sys/types.h>
38 #include <sys/event.h>
39 
40 #include <atf-c.h>
41 
42 ATF_TC(kevent_zerotimer);
43 ATF_TC_HEAD(kevent_zerotimer, tc)
44 {
45 
46 	/* Cf. PR lib/45618. */
47 	atf_tc_set_md_var(tc, "descr", "Checks that kevent with a 0 timer "
48 	    "does not crash the system");
49 }
50 
51 ATF_TC_BODY(kevent_zerotimer, tc)
52 {
53 	struct kevent ev;
54 	int kq;
55 
56 	ATF_REQUIRE((kq = kqueue()) != -1);
57 	EV_SET(&ev, 1, EVFILT_TIMER, EV_ADD|EV_ENABLE, 0, 1, 0);
58 	ATF_REQUIRE(kevent(kq, &ev, 1, NULL, 0, NULL) != -1);
59 	ATF_REQUIRE(kevent(kq, NULL, 0, &ev, 1, NULL) == 1);
60 }
61 
62 ATF_TP_ADD_TCS(tp)
63 {
64 
65 	ATF_TP_ADD_TC(tp, kevent_zerotimer);
66 
67 	return atf_no_error();
68 }
69